Explore Worlds
Find Life
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Small BodiesStories, updates, insights, and original analysis from The Planetary Society.
How we use starlight to look for alien life
The process of spectroscopy can help scientists hunt for biosignatures.
Is life possible on rogue planets and moons?
Our exploration of the solar system combined with two decades of exoplanet research tells us there are several possibilities for life to exist on starless planets and their moons.
What are the most Earth-like worlds we’ve found?
The ongoing hunt for Earth-like worlds, especially over the next few decades, hopes to illuminate how ordinary and extraordinary our planet may be.